Hot tub trailer



FIG. 1 is a top, front and side perspective view of a hot tub trailer showing our new design, the broken lines are shown for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a rear end elevational view thereof. 

The ornamental design of a hot tub trailer, as shown and described. 